158025

Appears in sequences

• Odd decagonal pyramidal numbers.at n=24A218330
• a(n) = Sum_{i=0..n} digsum_8(i)^4, where digsum_8(i) = A053829(i).at n=49A231683
• Number of compositions of n whose standard factorization into Lyndon words has all distinct weakly increasing factors.at n=21A299027
• Expansion of Product_{k>=1} 1/((1 - x^k)*(1 - x^(5*k))).at n=44A318028